Sink



FIG. 1 is a first perspective view of a first embodiment of a sink showing our new design;

FIG. 2 is a second perspective view of FIG. 1;

FIG. 3 is a third perspective view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1;

FIG. 6 is a left side view of FIG. 1;

FIG. 7 is a right side view of FIG. 1;

FIG. 8 is a top plan view of FIG. 1;

FIG. 9 is a bottom plan view of FIG. 1;

FIG. 10 is a first perspective view of a second embodiment of the sink;

FIG. 11 is a second perspective view of FIG. 10;

FIG. 12 is a third perspective view of FIG. 10;

FIG. 13 is a front elevational view of FIG. 10;

FIG. 14 is a rear elevational view of FIG. 10;

FIG. 15 is a left side view of FIG. 10;

FIG. 16 is a right side view of FIG. 10;

FIG. 17 is a top plan view of FIG. 10; and,

FIG. 18 is a bottom plan view of FIG. 10. 

CLAIM The ornamental design for a sink, as shown and described. 